Mon - Fri: 8am - 5pm EST.

phone service hours
Mon - Fri : 8am - 5pm EST
Call us now
4 zone mini split AC system

4 Zone Mini Split Ductless AC Heat Pump System Prices and Selection

Choose any of our pre-bundled 4 zone mini split options below (also called a quad zone or a 4 head mini split) and once selected, you can customize the entire system to fit your needs.

Once you have selected a product below, you will be given the option to choose a new outdoor unit of your preferred capacity and you can easily choose different indoor units to fit your specific room-by-room capacity and installation needs.

Grid  List 

Price: Low to High
per page

Grid  List 

Price: Low to High
per page


Choose four zone mini split outdoor unit capacities of 36,000, 42,000, 48,000 BTU’s. For each indoor zone, or room that you are cooling and heating, you can choose from the following.

  • Wall Mounted indoor unit
  • Ceiling Mounted Cassette indoor unit
  • Horizontal ducted indoor unit
  • Floor mounted (Lower sidewall) indoor unit

Each of the indoor units listed above are available in cooling and heating capacities of 6,000, 9,000, 12,000, 18,000, and 24,000 BTU’s with the 4 zone mini split systems.

Four Zone Mini Split Uses and Benefits

Mini splits are the future as well as the here and now of air conditioning technology. Here are some of the most popular uses of mini split systems:

  • Room additions
  • Porch enclosures
  • Garage conversions
  • Bonus rooms
  • New construction homes
  • Adding more air to an uncomfortable space
  • Outdoor cooling and dehumidification of confined areas
  • Multi-family applications such as apartment buildings or duplexes

A 4 zone mini split can control the cooling and heating of 4 separate rooms without the need for 4 individual systems. One outdoor unit (the condenser) can control 4 indoor units and allow separate comfort control and cooling levels in each of these 4 rooms or spaces.

This means you have separate thermostats and individual temperature control in each of the 4 rooms or spaces using only one outdoor condensing unit. For multi-family apartments or duplexes, your tenants can control the cooling and heating of up to 4 individual apartments from just one outdoor unit.

They each get their own thermostat and temperature control while the setting levels each tenant chooses has NO effect on the other 3 apartments.

The tenants benefit from the extreme energy efficiency of each zone of the system while you, as the landlord, have only 1 system to maintain for up to 4 apartments, reducing your maintenance and eventual replacement costs dramatically.

4 Zone Mini Split Technology


Prevents drafts of cold air at start-up ensuring you feel warm air immediately.


Maintain your precise desired temperature with a sensor that scans the room and adjusts accordingly. When the sensor identifies a specific spot in the room that needs heating or cooling, it automatically adjusts the airflow direction to address this shortfall. This option is not available on all indoor units.


Hyper-Heating technology allows your family to maintain comfort inside even when it’s extremely cold outside while saving energy and money. Available on specific systems.


Divide your home into cooling and heating zones that best fit your family’s needs. Save energy and maximize savings by creating your customized comfort zones with this 4 zone mini split.


Ensures that the mini split system uses only the exact amount of energy needed to cool or heat an area. Up to 40% more efficient than traditional systems. All multi-zone systems feature the inverter-driven compressor.


Experience cleaner, healthier air with our filtration systems that capture odors, allergens, bacteria, and other contaminants that impact air quality.


Capture and remove contaminants that trigger allergy and asthma symptoms, spread illness and impact air quality.


Available on select systems, Platinum Deodorizing filters use nanotechnology to absorb odors to neutralize the worst smells.


Washable filters last up to 10 years and give you another way to save money and reduce environmental impact.

Mini Split Indoor unit options

4 zone mini split options


Different styles of mini split indoor units

4 zone mini split wall mounted indoor unit

Wall-mounted ductless

This option is by far the most commonly chosen as well as being the easiest and least time-consuming to install. A wall-mounted ductless unit mounts high on an interior wall and is unobtrusive to the visual area within a room.

The wall unit models are a neutral white in color and have features that enhance their functions within the space. The refrigerant and condensate drain line connection is made via a 3” penetration through the wall directly behind this wall-mounted indoor unit.

The indoor unit covers this penetration completely. The refrigerant lines are attached to the exterior of the adjoining wall and can be nicely hidden with a lineset cover as shown in the image below.

It is best to try and locate each mini split indoor unit on an interior wall that adjoins the exterior of the building as shown in the image just below.

4 zone mini split installation
4 zone mini split indoor unit

Horizontal Ducted style

When a ducted model is selected as the indoor unit that best fits your need, it can easily be installed either in the ceiling or beneath the floor in a crawl space or basement. This style accommodates the use of short duct runs and registers to deliver and return air from the interior space, back to the unit.

4 zone mini split ceiling cassette

Ceiling Recessed Cassette Style

When installed, the flush-mounted grille is all you see. The rest of the unit is concealed in the space above the ceiling. With its fresh air intake capability and four-way discharge airflow, the ceiling cassette gives you plenty of fresh, comfortable air.

Outdoor units complete the ductless air conditioning and heat pump system of a 4 zone or quad zone mini split. The outdoor units for each of the systems have a small physical footprint (about the size of a small to medium suitcase) to take up as little space outside your home as possible and can be hidden by foliage.

4 Zone Mini Split System Sizing

In most applications, you’ll require about 25-30 BTU’s of cooling per square foot of conditioned space for each zone.

So a 200 square foot space (200 X 25 BTU’s = 5000) will require about 5000 BTU’s, (6,000 Btu’s is the smallest capacity available, so choose that).

This estimate of 25-30 BTU’s per square foot is rough and depends entirely on your climate and the insulation quality of your home or conditioned space. Be sure to have your individual room ductless mini split capacity selections for each zone confirmed by an HVAC professional.

Also, keep in mind your heating needs. If you are using a ductless mini split in an extremely cold climate, you will need to size the capacity of each room based on the rooms heating requirements.

Mitsubishi Hyper Heat Technology for Cold Climates

4 head mini split - earth friendly



INVERTER zoning systems deliver only the amount of hot air needed to achieve the desired temperature: no more, no less.

4 zone mini split - hyper heat


Designed to provide comfortable indoor temperatures in extreme cold-climate conditions (as low as -13° F) while saving energy and money.

quad zone mini split – hot start


Hot-Start technology ensures you feel warm air immediately.


The technology on the 4 zone mini split as well as all the multi zone and the single zone systems has improved dramatically in the past few years, especially in terms of heating.

Mitsubishi employs an advanced heat pump design technology, which, compared to ordinary heat pumps systems, has the demonstrated ability to keep you warm in temperatures measured well below zero when standard heat pumps fail to live up to the required demand.

Mitsubishi Electric refers to this technology as Hyper-Heating INVERTER® (H2i), which has proven to be a significant advance in heat pumps. H2i uses an enhanced compressor system to deliver enough heat even when outdoor temperatures are as low as -13° F.

You no longer need supplemental heat sources to maintain comfort or separate heating and cooling systems to provide heating in the winter and cooling in the summer. Plus, Hot-Start technology provides warm air instantly instead of the usual “warmup” period other heat pumps experience each time they start up throughout the day and night.

You’re 4 zone mini split heat pump system will keep you cool and comfortable all year long using the very latest in proven technology.

Select the perfect mini split for your needs and add it to our secure cart or call us at the number just below to place your order by phone. The call is free and so is the shipping and friendly support.

Right System, Right Price, Right Away!


our brands